Volkswagen Polo Service & Repair Manual: A/C Pressure Switch -F129
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit. |
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This pressure switch has 3 functions: |
1. Switches the coolant fan to the next higher level when
the pressure in the refrigerant circuit increases (approximately
16 bar (232 psi)). |
2. Switches off A/C system if pressure is excessive
(approximately 32 bar (464 psi)), for example. because of
insufficient engine cooling. |
3. Switches off A/C system if pressure is insufficient
(approximately 2 bar (29 psi)), for example. loss of
refrigerant. |
Note
A/C Pressure Switch -F129- replaces the A/C Refrigerant High
Pressure Switch -F23-, A/C Refrigerant Low Pressure Switch -F73-
and the Magnetic Clutch High Pressure Switch -F118-. |
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Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
...
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
...
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First read and observe the introductory information
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...
Controls for the heating and fresh air system
Fig. 127 In the centre console: rotary
controller of the heating and fresh air system with controls
First read and observe the introductory information
and safety warnings
Button, control
Additional information. Heating and fresh air system
...
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